Combined structure of a helical antenna and a dielectric plate

Details Combined structure of a helical antenna and a dielectric plate Combined structure of a helical antenna and a dielectric plate

1997-02-18

1999-11-23

Tokar, Michael

Communications: radio wave antennas

Antennas

Spiral or helical type

343725, 343790, H01Q 136

Patent

active

059908483

ABSTRACT:
The invention relates to a particular structure of high-frequency antenna, which comprises a support element (1) provided with a cylindrical coil conductor which forms a helix (2). On the support element (1) there is formed, for example by means of a conductive coating, the electrical parts of the antenna, such as the attachment points (3b) for the helix and for other parts, such as feeder lines (4), radiators (5) or impedance matching devices. By varying the number and size of the helices (2), the number and form of the feeder lines (4) and radiators (5) and the quality of any impedance matching devices, it is possible without difficulty to obtain a very wide choice of different antenna structures. The feeder lines and radiators extend, at least in part, within the helix.

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